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Can Oracle have multiple group functions in the same SELECT list of query (i.e can we do a COUNT and AVG)? Let us assume we wanted to find lowest, highest, average, and total number of salaries by department in a company. What SQL query would give us this, in the most meaningful format, assuming that we have two tables of EMPLOYEES and DEPARTMENTS and that they are related thru the Dept_ID column?
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Describing the purpose of database an its functionality, plus a detailed E-R diagram.
Use Cases Perform a requirements analysis for the Case Study
You have been asked to develop a database utilizing only the written problem description given by the client. In reviewing the description.
Write down the complete transaction using SQL.
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
Monitor Renal Outcomes in patients post cardiac bypass surgery?
creating database structure using SQL
Design relation schemas for the entire database.
At this point in the design process, you would have a detailed physical schema created for a database. How would you approach converting your schema into a database, complete with sample data? Explain your approach in two to three paragraphs.
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Create a database using Oracle packaged procedure
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